2980580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2099}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 6350400

約数和(自身を除く): 3369820

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2099, 4198, 8396, 10495, 20990, 41980, 149029, 298058, 596116, 745145, 1490290, 2980580]

約数ペア:

[(1, 2980580), (2, 1490290), (4, 745145), (5, 596116), (10, 298058), (20, 149029), (71, 41980), (142, 20990), (284, 10495), (355, 8396), (710, 4198), (1420, 2099)]